/*
 * Copyright (C) 2014 Square, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.squareup.okhttp.internal.http;

import java.util.Arrays;
import java.util.LinkedHashSet;
import java.util.Set;

public final class HttpMethod {
  public static final Set<String> METHODS = new LinkedHashSet<>(Arrays.asList(
      "OPTIONS", "GET", "HEAD", "POST", "PUT", "DELETE", "TRACE", "PATCH"));

  public static boolean invalidatesCache(String method) {
    return method.equals("POST")
        || method.equals("PATCH")
        || method.equals("PUT")
        || method.equals("DELETE");
  }

  public static boolean hasRequestBody(String method) {
    return method.equals("POST")
        || method.equals("PUT")
        || method.equals("PATCH")
        || method.equals("DELETE"); // Permitted as spec is ambiguous.
  }

  private HttpMethod() {
  }
}
